The Linux utility sed provides a great way to substitute text strings in a file. Using the "s" option and by listing the current string and the string to use as the new text allows sed to perform this task.
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Top 20 used Linux Commands
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Top 20 Linux commands that i use on a daily basis, taken out of my history files on my servers.
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Using Grep
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Global Regular Expression Print is the rather un-catchy full name of grep, the staple of any Linux users toolkit. It is a search tool run from the command line that is evolved directly from Unix, and is so useful it deserved a post of its own.
Read more »Figuring Out Group Permissions in Linux
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You may be faced with a situation in which you must figure out who has permissions to a file or directory and what those permissions are. This sounds simple enough. It really is not as simple as it may sound, here is an example. You view the contents of the /var/www (/var/www/html in CentOS) directory where your web site content is found and you see a directory that looks like this:
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Free Course on LInux Commands
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The "35 Linux Commands you have to know" is a free course to help you with Linux Commands. These are commands that every Linux user should know.
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